Physics – Condensed Matter
Scientific paper
1995-09-27
Europhys.Lett. 36 (1996) 167-171
Physics
Condensed Matter
submitted to Europhys. Lett., 4 pages, postscript
Scientific paper
10.1209/epl/i1996-00204-2
We outline a theory describing the quasi-classical dynamics of composite fermions in the fractional quantum Hall regime in the potentials of arbitrary nanostructures. By an appropriate parametrization of time we show that their trajectories are independent of their mass and dispersion. This allows to study the dynamics in terms of an effective Hamiltonian although the actual dispersion is as yet unknown. The applicability of the theory is verified in the case of antidot arrays where it explains details of magnetoresistance measurements and thus confirms the existence of these quasiparticles.
Fleischmann Ragnar
Geisel Theo
Holzknecht C.
Ketzmerick Roland
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